| Patents for H04B 3 - Line transmission systems (31,523) |
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| 12/17/2002 | US6496105 Power transfer apparatus for concurrently transmitting data and power over data wires |
| 12/17/2002 | US6496104 System and method for communication via power lines using ultra-short pulses |
| 12/17/2002 | US6496081 Transmission equalization system and an integrated circuit package employing the same |
| 12/17/2002 | US6496014 Cable tester error compensation method and apparatus |
| 12/12/2002 | WO2002100057A1 Pre-equalizer correcting the magnitude of a received signal without regard to phase distortions |
| 12/12/2002 | WO2002100004A1 Mobile radio communication system with reference signal emitter and method for base station synchronisation |
| 12/12/2002 | WO2002039629A9 Channel time calibration means |
| 12/12/2002 | US20020186760 Method and apparatus for identification of an access network by means of 1-port measurements |
| 12/12/2002 | US20020186715 Master-slave data transmission in orthogonal frequency-division multiplexing |
| 12/12/2002 | US20020186714 Method of data transmission by orthogonal frequency-division multiplexing |
| 12/12/2002 | US20020186709 Data communication apparatus |
| 12/12/2002 | US20020186699 System and method for providing high-speed communications access over an electrical network |
| 12/12/2002 | US20020186650 Equalisation method and device of the GMMSE type |
| 12/12/2002 | US20020186125 System and method for providing high-speed communications over an electrical network |
| 12/12/2002 | US20020186048 Method and circuit for pre-emphasis equalization in high speed data communications |
| 12/12/2002 | US20020186022 Method, system, and recording medium of testing a 1394 interface card |
| 12/12/2002 | DE10127848A1 Improved signal transmission uses cable connected to a unit that absorbs high frequency signal noise |
| 12/12/2002 | DE10125390A1 Mobile radio communication system has a clock generator for synchronising a number of base stations |
| 12/11/2002 | EP1265393A1 Data transmission between master and slave, using orthogonal frequency division multiplexing |
| 12/11/2002 | EP1265392A1 Method of transmitting data by multiplexing orthogonal frequencies |
| 12/11/2002 | EP1265388A1 Multiplex transmission device |
| 12/11/2002 | EP1264419A1 Coupling of a head station to a low-voltage power supply network |
| 12/11/2002 | EP1264418A2 A method and system for stereo echo cancellation for voip communication systems |
| 12/11/2002 | EP1264417A1 Non-linear echo cancellation for wireline modems |
| 12/11/2002 | EP1264361A1 Delay equalization in wireless communication systems |
| 12/11/2002 | EP0815509B1 Method and apparatus for data encoding and communication over noisy media |
| 12/11/2002 | CN1384615A Cash registering system and method capable of exchanging information with card reader |
| 12/11/2002 | CN1384612A Wide-band modem hybrid circuit |
| 12/11/2002 | CN1096179C Equlization apparatus with effective coefficient updating operation |
| 12/11/2002 | CN1096168C 数据接收装置 Data receiving means |
| 12/10/2002 | US6493448 Process for echo suppression with adaptive fir filters |
| 12/10/2002 | US6493381 Blind equalization algorithm with the joint use of the constant R and the sliced symbols |
| 12/10/2002 | US6492897 System for coupling wireless signals to and from a power transmission line communication system |
| 12/10/2002 | US6492876 Low power analog equalizer with variable op-amp gain |
| 12/10/2002 | CA2313507C Apparatus and method for estimating echo path delay |
| 12/10/2002 | CA2249813C Autonomous overload control for distributed real time systems related application |
| 12/10/2002 | CA2245303C Method and apparatus for automatic compensation of first-order polarization mode dispersion (pwd) |
| 12/10/2002 | CA2237826C Feedback control system for telecommunications systems |
| 12/05/2002 | WO2002098095A1 Method for estimating the transfer function of a multicarrier signal transmission channel and corresponding receiver |
| 12/05/2002 | WO2002098089A2 Decision feedback equaliser |
| 12/05/2002 | WO2002098013A1 Fiberoptic coupling |
| 12/05/2002 | WO2002097555A2 Network control system for home appliances |
| 12/05/2002 | US20020181696 Telephone line extension |
| 12/05/2002 | US20020181613 Apparatus and method for adaptively detecting received signals for power line communication |
| 12/05/2002 | US20020181575 Circuitry for Mitigating performance loss associated with feedback loop delay in decision feedback equalizer and method therefor |
| 12/05/2002 | US20020181414 Method and apparatus for detecting robbed bit location in PCM modems and the like |
| 12/05/2002 | US20020180592 In-line power tap device for ethernet data signal |
| 12/05/2002 | DE10119040A1 Data transmission system over current supply network with data signal input |
| 12/05/2002 | DE10119039A1 Apparatus for transmitting data via electrical mains network, amplifies data signal using switched amplifier and couples into power network |
| 12/04/2002 | EP1263262A2 Oscillation prevention circuit |
| 12/04/2002 | EP1263166A2 Media converter and failure detection technique |
| 12/04/2002 | EP1263150A2 Data transmission system with a local beacon |
| 12/04/2002 | EP1262030A1 Two-ended wireline pair identification system |
| 12/04/2002 | EP1261974A1 In-well monitoring and flow control system |
| 12/04/2002 | EP0976205B1 Data transfer method and system in low voltage networks |
| 12/04/2002 | CN1383624A Communication system, especially for indoors |
| 12/04/2002 | CN1383263A Blind equalizing method of high resolution TV signal |
| 12/03/2002 | US6490063 Analog optical transmission system |
| 12/03/2002 | US6490007 Adaptive channel equalizer |
| 12/03/2002 | US6489838 Apparatus and method for equalizing received network signals using a single zero high-pass filter having selectable impedance |
| 11/30/2002 | CA2388367A1 Plug-in single phase power line signal repeater with low voltage bus |
| 11/28/2002 | WO2002096072A1 Method and apparatus for testing loop-back communications while eliminating the need for a loop-back relay. |
| 11/28/2002 | WO2002095979A1 Interface controller for magnetic field based power transmission line communication |
| 11/28/2002 | WO2002095977A1 Synchronisation method for the uplink channel in a point-to-multipoint communication with ofdm modulation |
| 11/28/2002 | WO2002095976A1 Downlink synchronisation method for a point-to-multipoint system with ofdm modulation |
| 11/28/2002 | US20020178411 Media converter and failure detection technique |
| 11/28/2002 | US20020178292 Distributed synchronization mechanism for shared communications media based networks |
| 11/28/2002 | US20020176588 Oscillation prevention circuit |
| 11/28/2002 | US20020176585 Asymmetric multichannel filter |
| 11/28/2002 | US20020176570 Current sensing echo cancellation device |
| 11/28/2002 | US20020176569 Hybrid circuit for a broadband modem |
| 11/28/2002 | US20020176542 Method and apparatus for performing either tone analysis on a local looped-back communications path or utilizing a hybrid reflection based looped-back test to test integrity |
| 11/28/2002 | US20020176493 Pulse transmission device for use in long-distance communication |
| 11/28/2002 | US20020176490 Single ended line probing in DSL system using transformerless hybrid |
| 11/28/2002 | US20020175701 Signal transmitting device suited to fast signal transmission |
| 11/28/2002 | DE10116838C1 Verfahren zur Halbduplexübertragung von Informationen zwischen Kommunikationseinrichtungen mit Repeatern A method for half-duplex transmission of information between communication devices with repeaters |
| 11/28/2002 | CA2448152A1 Synchronisation method for the uplink channel in a point-to-multipoint communication with ofdm modulation |
| 11/28/2002 | CA2448106A1 Process for synchronization in the downstream of multiple users in a point to multipoint system with ofdm modulation |
| 11/27/2002 | EP1261149A1 Mobile radio communicationssystem with reference timing source |
| 11/27/2002 | EP1260085A2 Method and apparatus for termination detection in an adsl environment |
| 11/27/2002 | EP1260072A1 Dsl repeater |
| 11/27/2002 | EP1260048A1 System for the transmission of data by means of multiple transmission channels with a protective band between each channel |
| 11/27/2002 | EP1260033A1 Adaptive echo canceling |
| 11/27/2002 | EP1118167B1 Method and device for transmitting data over low-voltage networks |
| 11/27/2002 | CN2523119Y Network fire-control receiver |
| 11/27/2002 | CN1381992A Method for TV. signal contaning high clarity information equalization at co-channel interference |
| 11/27/2002 | CN1095256C Adaptive dual filter echo cancellation method |
| 11/26/2002 | US6487529 Audio processing device, receiver and filtering method for filtering a useful signal and restoring it in the presence of ambient noise |
| 11/26/2002 | US6487276 Detecting faults in subscriber telephone lines |
| 11/22/2002 | CA2386004A1 Oscillation prevention circuit |
| 11/21/2002 | WO2002093878A1 Telephone line extension |
| 11/21/2002 | WO2002093775A1 Automatic gain control system for a multi-user ofdm digital transmission system using the electric grid |
| 11/21/2002 | WO2002093774A1 Echo canceller and a method of cancelling echo |
| 11/21/2002 | WO2002078224A3 Central radio device and associated appliance |
| 11/21/2002 | US20020172329 Single ended line probing in DSL system |
| 11/21/2002 | US20020171535 Coupling broadband modems to power lines |
| 11/21/2002 | DE10123128A1 Method for synchronizing transmitter/receiver in data transmission in block form locates a multi-value synchronizing sequence with a high ratio between main and subsidiary maxima in a corresponding autocorrelation function. |
| 11/21/2002 | DE10120541A1 Vorrichtung zum elektrischen Anschließen eines Modems bei der leitungsgebundenen Datenübertragung an ein Stromnetz Means for electrically connecting a modem to the wired data transmission to a power supply |
| 11/21/2002 | CA2447256A1 Automatic gain control system for a multi-user digital ofdm transmission systems over the electric network |
| 11/20/2002 | EP1259040A2 Equalisation for QAM signals |